]>
Commit | Line | Data |
---|---|---|
ac6c561b | 1 | #include "cache.h" |
b337172c | 2 | #include "repository.h" |
ac6c561b MR |
3 | #include "refs.h" |
4 | #include "strbuf.h" | |
5 | #include "worktree.h" | |
750e8a60 | 6 | #include "dir.h" |
8d9fdd70 | 7 | #include "wt-status.h" |
ac6c561b | 8 | |
51934904 MR |
9 | void free_worktrees(struct worktree **worktrees) |
10 | { | |
11 | int i = 0; | |
12 | ||
13 | for (i = 0; worktrees[i]; i++) { | |
14 | free(worktrees[i]->path); | |
69dfe3b9 | 15 | free(worktrees[i]->id); |
92718b74 | 16 | free(worktrees[i]->head_ref); |
346ef530 | 17 | free(worktrees[i]->lock_reason); |
51934904 MR |
18 | free(worktrees[i]); |
19 | } | |
20 | free (worktrees); | |
21 | } | |
22 | ||
92718b74 | 23 | /** |
cfaf9f05 | 24 | * Update head_oid, head_ref and is_detached of the given worktree |
92718b74 | 25 | */ |
fa099d23 | 26 | static void add_head_info(struct worktree *wt) |
92718b74 | 27 | { |
fa099d23 NTND |
28 | int flags; |
29 | const char *target; | |
30 | ||
31 | target = refs_resolve_ref_unsafe(get_worktree_ref_store(wt), | |
32 | "HEAD", | |
31824d18 | 33 | 0, |
49e61479 | 34 | &wt->head_oid, &flags); |
fa099d23 NTND |
35 | if (!target) |
36 | return; | |
37 | ||
38 | if (flags & REF_ISSYMREF) | |
39 | wt->head_ref = xstrdup(target); | |
40 | else | |
41 | wt->is_detached = 1; | |
92718b74 MR |
42 | } |
43 | ||
51934904 MR |
44 | /** |
45 | * get the main worktree | |
46 | */ | |
47 | static struct worktree *get_main_worktree(void) | |
1ceb7f90 | 48 | { |
51934904 | 49 | struct worktree *worktree = NULL; |
51934904 | 50 | struct strbuf worktree_path = STRBUF_INIT; |
1ceb7f90 | 51 | |
918d8ff7 ES |
52 | strbuf_add_real_path(&worktree_path, get_git_common_dir()); |
53 | strbuf_strip_suffix(&worktree_path, "/.git"); | |
51934904 | 54 | |
f054996d | 55 | worktree = xcalloc(1, sizeof(*worktree)); |
92718b74 | 56 | worktree->path = strbuf_detach(&worktree_path, NULL); |
f3534c98 JT |
57 | /* |
58 | * NEEDSWORK: If this function is called from a secondary worktree and | |
59 | * config.worktree is present, is_bare_repository_cfg will reflect the | |
60 | * contents of config.worktree, not the contents of the main worktree. | |
61 | * This means that worktree->is_bare may be set to 0 even if the main | |
62 | * worktree is configured to be bare. | |
63 | */ | |
64 | worktree->is_bare = (is_bare_repository_cfg == 1) || | |
65 | is_bare_repository(); | |
fa099d23 | 66 | add_head_info(worktree); |
51934904 | 67 | return worktree; |
1ceb7f90 MR |
68 | } |
69 | ||
51934904 | 70 | static struct worktree *get_linked_worktree(const char *id) |
ac6c561b | 71 | { |
51934904 | 72 | struct worktree *worktree = NULL; |
ac6c561b | 73 | struct strbuf path = STRBUF_INIT; |
51934904 | 74 | struct strbuf worktree_path = STRBUF_INIT; |
ac6c561b | 75 | |
1ceb7f90 MR |
76 | if (!id) |
77 | die("Missing linked worktree name"); | |
ac6c561b | 78 | |
b337172c | 79 | strbuf_git_common_path(&path, the_repository, "worktrees/%s/gitdir", id); |
51934904 MR |
80 | if (strbuf_read_file(&worktree_path, path.buf, 0) <= 0) |
81 | /* invalid gitdir file */ | |
ac6c561b | 82 | goto done; |
51934904 | 83 | strbuf_rtrim(&worktree_path); |
1c4854ec | 84 | strbuf_strip_suffix(&worktree_path, "/.git"); |
51934904 | 85 | |
f054996d | 86 | worktree = xcalloc(1, sizeof(*worktree)); |
92718b74 | 87 | worktree->path = strbuf_detach(&worktree_path, NULL); |
69dfe3b9 | 88 | worktree->id = xstrdup(id); |
fa099d23 | 89 | add_head_info(worktree); |
ac6c561b | 90 | |
ac6c561b MR |
91 | done: |
92 | strbuf_release(&path); | |
51934904 | 93 | strbuf_release(&worktree_path); |
51934904 | 94 | return worktree; |
ac6c561b MR |
95 | } |
96 | ||
750e8a60 NTND |
97 | static void mark_current_worktree(struct worktree **worktrees) |
98 | { | |
0aaad415 | 99 | char *git_dir = absolute_pathdup(get_git_dir()); |
750e8a60 NTND |
100 | int i; |
101 | ||
750e8a60 NTND |
102 | for (i = 0; worktrees[i]; i++) { |
103 | struct worktree *wt = worktrees[i]; | |
360af2da NTND |
104 | const char *wt_git_dir = get_worktree_git_dir(wt); |
105 | ||
106 | if (!fspathcmp(git_dir, absolute_path(wt_git_dir))) { | |
107 | wt->is_current = 1; | |
750e8a60 | 108 | break; |
360af2da | 109 | } |
750e8a60 | 110 | } |
360af2da | 111 | free(git_dir); |
750e8a60 NTND |
112 | } |
113 | ||
03f2465b | 114 | struct worktree **get_worktrees(void) |
ac6c561b | 115 | { |
51934904 | 116 | struct worktree **list = NULL; |
ac6c561b MR |
117 | struct strbuf path = STRBUF_INIT; |
118 | DIR *dir; | |
119 | struct dirent *d; | |
51934904 MR |
120 | int counter = 0, alloc = 2; |
121 | ||
3f64699f | 122 | ALLOC_ARRAY(list, alloc); |
ac6c561b | 123 | |
a234563a | 124 | list[counter++] = get_main_worktree(); |
ac6c561b MR |
125 | |
126 | strbuf_addf(&path, "%s/worktrees", get_git_common_dir()); | |
127 | dir = opendir(path.buf); | |
128 | strbuf_release(&path); | |
51934904 MR |
129 | if (dir) { |
130 | while ((d = readdir(dir)) != NULL) { | |
131 | struct worktree *linked = NULL; | |
afb9e30b | 132 | if (is_dot_or_dotdot(d->d_name)) |
51934904 | 133 | continue; |
ac6c561b | 134 | |
d4cddd66 NTND |
135 | if ((linked = get_linked_worktree(d->d_name))) { |
136 | ALLOC_GROW(list, counter + 1, alloc); | |
137 | list[counter++] = linked; | |
138 | } | |
51934904 MR |
139 | } |
140 | closedir(dir); | |
141 | } | |
142 | ALLOC_GROW(list, counter + 1, alloc); | |
143 | list[counter] = NULL; | |
750e8a60 NTND |
144 | |
145 | mark_current_worktree(list); | |
51934904 MR |
146 | return list; |
147 | } | |
148 | ||
69dfe3b9 NTND |
149 | const char *get_worktree_git_dir(const struct worktree *wt) |
150 | { | |
151 | if (!wt) | |
152 | return get_git_dir(); | |
153 | else if (!wt->id) | |
154 | return get_git_common_dir(); | |
155 | else | |
156 | return git_common_path("worktrees/%s", wt->id); | |
157 | } | |
158 | ||
080739ba NTND |
159 | static struct worktree *find_worktree_by_suffix(struct worktree **list, |
160 | const char *suffix) | |
161 | { | |
162 | struct worktree *found = NULL; | |
163 | int nr_found = 0, suffixlen; | |
164 | ||
165 | suffixlen = strlen(suffix); | |
166 | if (!suffixlen) | |
167 | return NULL; | |
168 | ||
169 | for (; *list && nr_found < 2; list++) { | |
170 | const char *path = (*list)->path; | |
171 | int pathlen = strlen(path); | |
172 | int start = pathlen - suffixlen; | |
173 | ||
174 | /* suffix must start at directory boundary */ | |
175 | if ((!start || (start > 0 && is_dir_sep(path[start - 1]))) && | |
176 | !fspathcmp(suffix, path + start)) { | |
177 | found = *list; | |
178 | nr_found++; | |
179 | } | |
180 | } | |
181 | return nr_found == 1 ? found : NULL; | |
182 | } | |
183 | ||
68353144 NTND |
184 | struct worktree *find_worktree(struct worktree **list, |
185 | const char *prefix, | |
186 | const char *arg) | |
187 | { | |
080739ba | 188 | struct worktree *wt; |
e4da43b1 | 189 | char *to_free = NULL; |
68353144 | 190 | |
080739ba NTND |
191 | if ((wt = find_worktree_by_suffix(list, arg))) |
192 | return wt; | |
193 | ||
e4da43b1 JK |
194 | if (prefix) |
195 | arg = to_free = prefix_filename(prefix, arg); | |
bb4995fc ES |
196 | wt = find_worktree_by_path(list, arg); |
197 | free(to_free); | |
198 | return wt; | |
199 | } | |
200 | ||
201 | struct worktree *find_worktree_by_path(struct worktree **list, const char *p) | |
202 | { | |
4530a85b | 203 | struct strbuf wt_path = STRBUF_INIT; |
bb4995fc ES |
204 | char *path = real_pathdup(p, 0); |
205 | ||
206 | if (!path) | |
4c5fa9e6 | 207 | return NULL; |
105df73e | 208 | for (; *list; list++) { |
4530a85b AM |
209 | if (!strbuf_realpath(&wt_path, (*list)->path, 0)) |
210 | continue; | |
105df73e | 211 | |
4530a85b | 212 | if (!fspathcmp(path, wt_path.buf)) |
68353144 | 213 | break; |
105df73e | 214 | } |
68353144 | 215 | free(path); |
4530a85b | 216 | strbuf_release(&wt_path); |
68353144 NTND |
217 | return *list; |
218 | } | |
219 | ||
984ad9e5 NTND |
220 | int is_main_worktree(const struct worktree *wt) |
221 | { | |
222 | return !wt->id; | |
223 | } | |
224 | ||
d236f12b | 225 | const char *worktree_lock_reason(struct worktree *wt) |
346ef530 NTND |
226 | { |
227 | assert(!is_main_worktree(wt)); | |
228 | ||
229 | if (!wt->lock_reason_valid) { | |
230 | struct strbuf path = STRBUF_INIT; | |
231 | ||
232 | strbuf_addstr(&path, worktree_git_path(wt, "locked")); | |
233 | if (file_exists(path.buf)) { | |
234 | struct strbuf lock_reason = STRBUF_INIT; | |
235 | if (strbuf_read_file(&lock_reason, path.buf, 0) < 0) | |
236 | die_errno(_("failed to read '%s'"), path.buf); | |
237 | strbuf_trim(&lock_reason); | |
238 | wt->lock_reason = strbuf_detach(&lock_reason, NULL); | |
239 | } else | |
240 | wt->lock_reason = NULL; | |
241 | wt->lock_reason_valid = 1; | |
242 | strbuf_release(&path); | |
243 | } | |
244 | ||
245 | return wt->lock_reason; | |
246 | } | |
247 | ||
4ddddc1f NTND |
248 | /* convenient wrapper to deal with NULL strbuf */ |
249 | static void strbuf_addf_gently(struct strbuf *buf, const char *fmt, ...) | |
250 | { | |
251 | va_list params; | |
252 | ||
253 | if (!buf) | |
254 | return; | |
255 | ||
256 | va_start(params, fmt); | |
257 | strbuf_vaddf(buf, fmt, params); | |
258 | va_end(params); | |
259 | } | |
260 | ||
ee6763af NTND |
261 | int validate_worktree(const struct worktree *wt, struct strbuf *errmsg, |
262 | unsigned flags) | |
4ddddc1f NTND |
263 | { |
264 | struct strbuf wt_path = STRBUF_INIT; | |
3d7747e3 | 265 | struct strbuf realpath = STRBUF_INIT; |
4ddddc1f NTND |
266 | char *path = NULL; |
267 | int err, ret = -1; | |
268 | ||
269 | strbuf_addf(&wt_path, "%s/.git", wt->path); | |
270 | ||
271 | if (is_main_worktree(wt)) { | |
272 | if (is_directory(wt_path.buf)) { | |
273 | ret = 0; | |
274 | goto done; | |
275 | } | |
276 | /* | |
277 | * Main worktree using .git file to point to the | |
278 | * repository would make it impossible to know where | |
279 | * the actual worktree is if this function is executed | |
280 | * from another worktree. No .git file support for now. | |
281 | */ | |
282 | strbuf_addf_gently(errmsg, | |
283 | _("'%s' at main working tree is not the repository directory"), | |
284 | wt_path.buf); | |
285 | goto done; | |
286 | } | |
287 | ||
288 | /* | |
289 | * Make sure "gitdir" file points to a real .git file and that | |
290 | * file points back here. | |
291 | */ | |
292 | if (!is_absolute_path(wt->path)) { | |
293 | strbuf_addf_gently(errmsg, | |
294 | _("'%s' file does not contain absolute path to the working tree location"), | |
295 | git_common_path("worktrees/%s/gitdir", wt->id)); | |
296 | goto done; | |
297 | } | |
298 | ||
ee6763af NTND |
299 | if (flags & WT_VALIDATE_WORKTREE_MISSING_OK && |
300 | !file_exists(wt->path)) { | |
301 | ret = 0; | |
302 | goto done; | |
303 | } | |
304 | ||
4ddddc1f NTND |
305 | if (!file_exists(wt_path.buf)) { |
306 | strbuf_addf_gently(errmsg, _("'%s' does not exist"), wt_path.buf); | |
307 | goto done; | |
308 | } | |
309 | ||
310 | path = xstrdup_or_null(read_gitfile_gently(wt_path.buf, &err)); | |
311 | if (!path) { | |
312 | strbuf_addf_gently(errmsg, _("'%s' is not a .git file, error code %d"), | |
313 | wt_path.buf, err); | |
314 | goto done; | |
315 | } | |
316 | ||
3d7747e3 AM |
317 | strbuf_realpath(&realpath, git_common_path("worktrees/%s", wt->id), 1); |
318 | ret = fspathcmp(path, realpath.buf); | |
4ddddc1f NTND |
319 | |
320 | if (ret) | |
321 | strbuf_addf_gently(errmsg, _("'%s' does not point back to '%s'"), | |
322 | wt->path, git_common_path("worktrees/%s", wt->id)); | |
323 | done: | |
324 | free(path); | |
325 | strbuf_release(&wt_path); | |
3d7747e3 | 326 | strbuf_release(&realpath); |
4ddddc1f NTND |
327 | return ret; |
328 | } | |
329 | ||
9c620fc7 NTND |
330 | void update_worktree_location(struct worktree *wt, const char *path_) |
331 | { | |
332 | struct strbuf path = STRBUF_INIT; | |
333 | ||
334 | if (is_main_worktree(wt)) | |
033abf97 | 335 | BUG("can't relocate main worktree"); |
9c620fc7 NTND |
336 | |
337 | strbuf_realpath(&path, path_, 1); | |
338 | if (fspathcmp(wt->path, path.buf)) { | |
339 | write_file(git_common_path("worktrees/%s/gitdir", wt->id), | |
340 | "%s/.git", path.buf); | |
341 | free(wt->path); | |
342 | wt->path = strbuf_detach(&path, NULL); | |
343 | } | |
344 | strbuf_release(&path); | |
345 | } | |
346 | ||
14ace5b7 NTND |
347 | int is_worktree_being_rebased(const struct worktree *wt, |
348 | const char *target) | |
8d9fdd70 NTND |
349 | { |
350 | struct wt_status_state state; | |
351 | int found_rebase; | |
352 | ||
353 | memset(&state, 0, sizeof(state)); | |
354 | found_rebase = wt_status_check_rebase(wt, &state) && | |
a46d1f73 MÅ |
355 | (state.rebase_in_progress || |
356 | state.rebase_interactive_in_progress) && | |
357 | state.branch && | |
358 | skip_prefix(target, "refs/heads/", &target) && | |
359 | !strcmp(state.branch, target); | |
962dd7eb | 360 | wt_status_state_free_buffers(&state); |
8d9fdd70 NTND |
361 | return found_rebase; |
362 | } | |
363 | ||
14ace5b7 NTND |
364 | int is_worktree_being_bisected(const struct worktree *wt, |
365 | const char *target) | |
51934904 | 366 | { |
04a3dfb8 | 367 | struct wt_status_state state; |
fb07bd42 | 368 | int found_bisect; |
04a3dfb8 NTND |
369 | |
370 | memset(&state, 0, sizeof(state)); | |
fb07bd42 MÅ |
371 | found_bisect = wt_status_check_bisect(wt, &state) && |
372 | state.branch && | |
a46d1f73 MÅ |
373 | skip_prefix(target, "refs/heads/", &target) && |
374 | !strcmp(state.branch, target); | |
962dd7eb | 375 | wt_status_state_free_buffers(&state); |
fb07bd42 | 376 | return found_bisect; |
04a3dfb8 NTND |
377 | } |
378 | ||
8d9fdd70 NTND |
379 | /* |
380 | * note: this function should be able to detect shared symref even if | |
381 | * HEAD is temporarily detached (e.g. in the middle of rebase or | |
382 | * bisect). New commands that do similar things should update this | |
383 | * function as well. | |
384 | */ | |
d3b9ac07 NTND |
385 | const struct worktree *find_shared_symref(const char *symref, |
386 | const char *target) | |
51934904 | 387 | { |
d3b9ac07 | 388 | const struct worktree *existing = NULL; |
d3b9ac07 | 389 | static struct worktree **worktrees; |
51934904 MR |
390 | int i = 0; |
391 | ||
d3b9ac07 NTND |
392 | if (worktrees) |
393 | free_worktrees(worktrees); | |
03f2465b | 394 | worktrees = get_worktrees(); |
d3b9ac07 | 395 | |
51934904 | 396 | for (i = 0; worktrees[i]; i++) { |
c8717148 | 397 | struct worktree *wt = worktrees[i]; |
fa099d23 | 398 | const char *symref_target; |
fa099d23 NTND |
399 | struct ref_store *refs; |
400 | int flags; | |
401 | ||
171c646f DK |
402 | if (wt->is_bare) |
403 | continue; | |
c8717148 | 404 | |
8d9fdd70 NTND |
405 | if (wt->is_detached && !strcmp(symref, "HEAD")) { |
406 | if (is_worktree_being_rebased(wt, target)) { | |
407 | existing = wt; | |
408 | break; | |
409 | } | |
04a3dfb8 NTND |
410 | if (is_worktree_being_bisected(wt, target)) { |
411 | existing = wt; | |
412 | break; | |
413 | } | |
8d9fdd70 NTND |
414 | } |
415 | ||
fa099d23 NTND |
416 | refs = get_worktree_ref_store(wt); |
417 | symref_target = refs_resolve_ref_unsafe(refs, symref, 0, | |
e691b027 | 418 | NULL, &flags); |
dbd2b55c JK |
419 | if ((flags & REF_ISSYMREF) && |
420 | symref_target && !strcmp(symref_target, target)) { | |
c8717148 | 421 | existing = wt; |
51934904 MR |
422 | break; |
423 | } | |
ac6c561b | 424 | } |
51934904 | 425 | |
ac6c561b MR |
426 | return existing; |
427 | } | |
1a248cf2 SB |
428 | |
429 | int submodule_uses_worktrees(const char *path) | |
430 | { | |
431 | char *submodule_gitdir; | |
e02a7141 | 432 | struct strbuf sb = STRBUF_INIT, err = STRBUF_INIT; |
1a248cf2 SB |
433 | DIR *dir; |
434 | struct dirent *d; | |
7c4be458 | 435 | int ret = 0; |
e8805af1 | 436 | struct repository_format format = REPOSITORY_FORMAT_INIT; |
1a248cf2 SB |
437 | |
438 | submodule_gitdir = git_pathdup_submodule(path, "%s", ""); | |
439 | if (!submodule_gitdir) | |
440 | return 0; | |
441 | ||
442 | /* The env would be set for the superproject. */ | |
443 | get_common_dir_noenv(&sb, submodule_gitdir); | |
d32de66a | 444 | free(submodule_gitdir); |
1a248cf2 | 445 | |
1a248cf2 SB |
446 | strbuf_addstr(&sb, "/config"); |
447 | read_repository_format(&format, sb.buf); | |
e02a7141 | 448 | if (verify_repository_format(&format, &err)) { |
449 | strbuf_release(&err); | |
1a248cf2 | 450 | strbuf_release(&sb); |
e8805af1 | 451 | clear_repository_format(&format); |
1a248cf2 SB |
452 | return 1; |
453 | } | |
e8805af1 | 454 | clear_repository_format(&format); |
e02a7141 | 455 | strbuf_release(&err); |
1a248cf2 SB |
456 | |
457 | /* Replace config by worktrees. */ | |
458 | strbuf_setlen(&sb, sb.len - strlen("config")); | |
459 | strbuf_addstr(&sb, "worktrees"); | |
460 | ||
461 | /* See if there is any file inside the worktrees directory. */ | |
462 | dir = opendir(sb.buf); | |
463 | strbuf_release(&sb); | |
1a248cf2 SB |
464 | |
465 | if (!dir) | |
466 | return 0; | |
467 | ||
468 | while ((d = readdir(dir)) != NULL) { | |
469 | if (is_dot_or_dotdot(d->d_name)) | |
470 | continue; | |
471 | ||
472 | ret = 1; | |
473 | break; | |
474 | } | |
475 | closedir(dir); | |
476 | return ret; | |
477 | } | |
d0c39a49 | 478 | |
3a3b9d8c NTND |
479 | int parse_worktree_ref(const char *worktree_ref, const char **name, |
480 | int *name_length, const char **ref) | |
481 | { | |
482 | if (skip_prefix(worktree_ref, "main-worktree/", &worktree_ref)) { | |
483 | if (!*worktree_ref) | |
484 | return -1; | |
485 | if (name) | |
486 | *name = NULL; | |
487 | if (name_length) | |
488 | *name_length = 0; | |
489 | if (ref) | |
490 | *ref = worktree_ref; | |
491 | return 0; | |
492 | } | |
493 | if (skip_prefix(worktree_ref, "worktrees/", &worktree_ref)) { | |
494 | const char *slash = strchr(worktree_ref, '/'); | |
495 | ||
496 | if (!slash || slash == worktree_ref || !slash[1]) | |
497 | return -1; | |
498 | if (name) | |
499 | *name = worktree_ref; | |
500 | if (name_length) | |
501 | *name_length = slash - worktree_ref; | |
502 | if (ref) | |
503 | *ref = slash + 1; | |
504 | return 0; | |
505 | } | |
506 | return -1; | |
507 | } | |
508 | ||
ab3e1f78 NTND |
509 | void strbuf_worktree_ref(const struct worktree *wt, |
510 | struct strbuf *sb, | |
511 | const char *refname) | |
512 | { | |
513 | switch (ref_type(refname)) { | |
514 | case REF_TYPE_PSEUDOREF: | |
515 | case REF_TYPE_PER_WORKTREE: | |
516 | if (wt && !wt->is_current) { | |
517 | if (is_main_worktree(wt)) | |
518 | strbuf_addstr(sb, "main-worktree/"); | |
519 | else | |
520 | strbuf_addf(sb, "worktrees/%s/", wt->id); | |
521 | } | |
522 | break; | |
523 | ||
524 | case REF_TYPE_MAIN_PSEUDOREF: | |
525 | case REF_TYPE_OTHER_PSEUDOREF: | |
526 | break; | |
527 | ||
528 | case REF_TYPE_NORMAL: | |
529 | /* | |
530 | * For shared refs, don't prefix worktrees/ or | |
531 | * main-worktree/. It's not necessary and | |
532 | * files-backend.c can't handle it anyway. | |
533 | */ | |
534 | break; | |
535 | } | |
536 | strbuf_addstr(sb, refname); | |
537 | } | |
538 | ||
d0c39a49 NTND |
539 | int other_head_refs(each_ref_fn fn, void *cb_data) |
540 | { | |
541 | struct worktree **worktrees, **p; | |
ef2d5547 | 542 | struct strbuf refname = STRBUF_INIT; |
d0c39a49 NTND |
543 | int ret = 0; |
544 | ||
03f2465b | 545 | worktrees = get_worktrees(); |
d0c39a49 NTND |
546 | for (p = worktrees; *p; p++) { |
547 | struct worktree *wt = *p; | |
ab3e1f78 NTND |
548 | struct object_id oid; |
549 | int flag; | |
d0c39a49 NTND |
550 | |
551 | if (wt->is_current) | |
552 | continue; | |
553 | ||
ef2d5547 MÅ |
554 | strbuf_reset(&refname); |
555 | strbuf_worktree_ref(wt, &refname, "HEAD"); | |
ab3e1f78 | 556 | if (!refs_read_ref_full(get_main_ref_store(the_repository), |
ef2d5547 | 557 | refname.buf, |
ab3e1f78 NTND |
558 | RESOLVE_REF_READING, |
559 | &oid, &flag)) | |
ef2d5547 | 560 | ret = fn(refname.buf, &oid, flag, cb_data); |
d0c39a49 NTND |
561 | if (ret) |
562 | break; | |
563 | } | |
564 | free_worktrees(worktrees); | |
ef2d5547 | 565 | strbuf_release(&refname); |
d0c39a49 NTND |
566 | return ret; |
567 | } | |
bdd1f3e4 ES |
568 | |
569 | /* | |
570 | * Repair worktree's /path/to/worktree/.git file if missing, corrupt, or not | |
571 | * pointing at <repo>/worktrees/<id>. | |
572 | */ | |
573 | static void repair_gitfile(struct worktree *wt, | |
574 | worktree_repair_fn fn, void *cb_data) | |
575 | { | |
576 | struct strbuf dotgit = STRBUF_INIT; | |
577 | struct strbuf repo = STRBUF_INIT; | |
578 | char *backlink; | |
579 | const char *repair = NULL; | |
580 | int err; | |
581 | ||
582 | /* missing worktree can't be repaired */ | |
583 | if (!file_exists(wt->path)) | |
584 | return; | |
585 | ||
586 | if (!is_directory(wt->path)) { | |
587 | fn(1, wt->path, _("not a directory"), cb_data); | |
588 | return; | |
589 | } | |
590 | ||
591 | strbuf_realpath(&repo, git_common_path("worktrees/%s", wt->id), 1); | |
592 | strbuf_addf(&dotgit, "%s/.git", wt->path); | |
593 | backlink = xstrdup_or_null(read_gitfile_gently(dotgit.buf, &err)); | |
594 | ||
595 | if (err == READ_GITFILE_ERR_NOT_A_FILE) | |
596 | fn(1, wt->path, _(".git is not a file"), cb_data); | |
597 | else if (err) | |
598 | repair = _(".git file broken"); | |
599 | else if (fspathcmp(backlink, repo.buf)) | |
600 | repair = _(".git file incorrect"); | |
601 | ||
602 | if (repair) { | |
603 | fn(0, wt->path, repair, cb_data); | |
604 | write_file(dotgit.buf, "gitdir: %s", repo.buf); | |
605 | } | |
606 | ||
607 | free(backlink); | |
608 | strbuf_release(&repo); | |
609 | strbuf_release(&dotgit); | |
610 | } | |
611 | ||
612 | static void repair_noop(int iserr, const char *path, const char *msg, | |
613 | void *cb_data) | |
614 | { | |
615 | /* nothing */ | |
616 | } | |
617 | ||
618 | void repair_worktrees(worktree_repair_fn fn, void *cb_data) | |
619 | { | |
620 | struct worktree **worktrees = get_worktrees(); | |
621 | struct worktree **wt = worktrees + 1; /* +1 skips main worktree */ | |
622 | ||
623 | if (!fn) | |
624 | fn = repair_noop; | |
625 | for (; *wt; wt++) | |
626 | repair_gitfile(*wt, fn, cb_data); | |
627 | free_worktrees(worktrees); | |
628 | } | |
b214ab5a ES |
629 | |
630 | static int is_main_worktree_path(const char *path) | |
631 | { | |
632 | struct strbuf target = STRBUF_INIT; | |
633 | struct strbuf maindir = STRBUF_INIT; | |
634 | int cmp; | |
635 | ||
636 | strbuf_add_real_path(&target, path); | |
637 | strbuf_strip_suffix(&target, "/.git"); | |
638 | strbuf_add_real_path(&maindir, get_git_common_dir()); | |
639 | strbuf_strip_suffix(&maindir, "/.git"); | |
640 | cmp = fspathcmp(maindir.buf, target.buf); | |
641 | ||
642 | strbuf_release(&maindir); | |
643 | strbuf_release(&target); | |
644 | return !cmp; | |
645 | } | |
646 | ||
647 | /* | |
648 | * Repair <repo>/worktrees/<id>/gitdir if missing, corrupt, or not pointing at | |
649 | * the worktree's path. | |
650 | */ | |
651 | void repair_worktree_at_path(const char *path, | |
652 | worktree_repair_fn fn, void *cb_data) | |
653 | { | |
654 | struct strbuf dotgit = STRBUF_INIT; | |
655 | struct strbuf realdotgit = STRBUF_INIT; | |
656 | struct strbuf gitdir = STRBUF_INIT; | |
657 | struct strbuf olddotgit = STRBUF_INIT; | |
658 | char *backlink = NULL; | |
659 | const char *repair = NULL; | |
660 | int err; | |
661 | ||
662 | if (!fn) | |
663 | fn = repair_noop; | |
664 | ||
665 | if (is_main_worktree_path(path)) | |
666 | goto done; | |
667 | ||
668 | strbuf_addf(&dotgit, "%s/.git", path); | |
669 | if (!strbuf_realpath(&realdotgit, dotgit.buf, 0)) { | |
670 | fn(1, path, _("not a valid path"), cb_data); | |
671 | goto done; | |
672 | } | |
673 | ||
674 | backlink = xstrdup_or_null(read_gitfile_gently(realdotgit.buf, &err)); | |
675 | if (err == READ_GITFILE_ERR_NOT_A_FILE) { | |
676 | fn(1, realdotgit.buf, _("unable to locate repository; .git is not a file"), cb_data); | |
677 | goto done; | |
678 | } else if (err) { | |
679 | fn(1, realdotgit.buf, _("unable to locate repository; .git file broken"), cb_data); | |
680 | goto done; | |
681 | } | |
682 | ||
683 | strbuf_addf(&gitdir, "%s/gitdir", backlink); | |
684 | if (strbuf_read_file(&olddotgit, gitdir.buf, 0) < 0) | |
685 | repair = _("gitdir unreadable"); | |
686 | else { | |
687 | strbuf_rtrim(&olddotgit); | |
688 | if (fspathcmp(olddotgit.buf, realdotgit.buf)) | |
689 | repair = _("gitdir incorrect"); | |
690 | } | |
691 | ||
692 | if (repair) { | |
693 | fn(0, gitdir.buf, repair, cb_data); | |
694 | write_file(gitdir.buf, "%s", realdotgit.buf); | |
695 | } | |
696 | done: | |
697 | free(backlink); | |
698 | strbuf_release(&olddotgit); | |
699 | strbuf_release(&gitdir); | |
700 | strbuf_release(&realdotgit); | |
701 | strbuf_release(&dotgit); | |
702 | } |